Finding the Fourth Proportional to 1,871,534.25, 2,582,969.99 and 1,055,905.29
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Solution
The fourth proportional to 1,871,534.25, 2,582,969.99 and 1,055,905.29 is: 1,457,291.88
Step by Step Solution
- Step 1: Write the proportion equation
1,871,534.25 : 2,582,969.99 = 1,055,905.29 : x - Step 2: Convert to fraction form
1,871,534.25/2,582,969.99 = 1,055,905.29/x - Step 3: Cross multiply
1,871,534.25x = 2,582,969.99 × 1,055,905.29 - Step 4: Simplify right side
1,871,534.25x = 2,727,371,671,072.72 - Step 5: Solve for x
x = 2,727,371,671,072.72/1,871,534.25 - Step 6: Final answer
x = 1,457,291.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.